Sealing assembly
AssigneeSwellfix B.V.
InventorsGraeme McRobb, John Dewar
Life of this patent
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Abstract
A downhole sealing assembly (10) comprises a sleeve (12) adapted to be mounted on a body, the sleeve (12) including a swellable material and defining a sealing arrangement comprising inner and outer seals (18, 20). Swelling of the material radially extends the seals (18, 20).
Claims34
A downhole sealing assembly comprising a single sleeve adapted to be mounted on a tubular body disposable within a bore, the sleeve including a swellable sealing arrangement comprising a swellable material and inner and outer seals whereby swelling of the swellable material radially inwardly extends the inner seal to establish a seal between the sleeve and the tubular body and radially outwardly extends the outer seal, to establish a seal between the sleeve and a wall of the bore, wherein the inner seal extends along a partial axial length of the sleeve, wherein the sealing arrangement extends over an axial end face of the sleeve between inner and outer surfaces thereof.
A downhole sealing assembly comprising a single sleeve adapted to be mounted on a tubular body disposable within a bore, the sleeve including a swellable sealing arrangement comprising a swellable material and inner and outer seals, whereby swelling of the swellable material radially inwardly extends the inner seal to establish a seal between the sleeve and the tubular body and radially outwardly extends the outer seal, to establish a seal between the sleeve and a wall of the bore, wherein the inner seal extends along a partial axial length of the sleeve, and further comprising a centraliser.
Dependencies are inferred from the claim text.